RF9986 Datasheet, PDF (5/8 Pages) RF Micro Devices – PCS LOW NOISE AMPLIFIER/MIXER

Evaluation Board Schematic
(IF = 210 MHz)
(Download Bill of Materials from www.rfmd.com.)
RF9986
P1-1
J1
LNA IN
C17
1 nF
50 Ω µstrip
C16
22 pF
P1-1
P1-3
J2
LO IN
C19
1 nF
R2
1 kΩ
C23
1 nF
50 Ω µstrip
C18
22 pF
C20
22 pF
1
2
3
4
5
6
7
8
9
10
11
12
Drawing 9986400, Rev -
24
C10
22 pF
R3
See Note 2
23
P1-1
L1
C2
22
2.7 nH
50 Ω µstrip
22 pF
50 Ω µstrip
J6
21
C4
C1
LNA OUT
1 pF
22 pF
20
FL1
19
C5
18
22 pF
50 Ω µstrip
J5
17
50 Ω µstrip
C29
C3
C8
MIXER IN
100 pF
T1
22 pF
5 pF
J4
16
5.5:1
IF OUT
L5
C11
L4
15
220 nH
1.5 pF 47 nH
14
C30
100 pF
13
L3
470 nH
L2
470 nH
C22
1 nF
C21
22 pF
C24
4.7 µF
50 Ω µstrip
J3
8
LO OUT
P1-1
P1-1
P1-3
P1
1 VCC
2 GND
3 BUFFER ENABLE
Notes:
1. C11 is selected to fine tune L4 for IF output match at 210 MHz.
2. R3 is not normally populated. For applications requiring additional LNA IP3, see the datasheet for
recommended resistance values.
3. C2 and C3 are not normally populated. If C2 and C3 are populated, the LNA and mixer can be tested
independently; in this case, C1 and C5 should be removed.
Rev B1 010717
8-135